[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "2021.3.23"]
[Round ""]
[White "Ricardo"]
[Black "Jonesie"]
[TimeControl "900+3"]
[Result "1-0"]
[ECO " "]
1.e4 c5 2.Nf3 Nc6 3.d3 g6 4.Nc3 d6 5.Nd5 Bg4 6.Bf4 e5 7.Bg5 Qxg5 8.Nxg5 Bxd1 9.Rxd1 Nb4 10.Nc7+ Kd7 11.Nxa8 Kc6 12.Nxf7 Bh6
13.Nxh8 Nf6 14.Nf7 Nxc2+ 15.Ke2 Nd4+ 16.Ke1 b5 17.Nxh6 b4 18.Ng4 Nxg4 19.Be2 Nh6 20.f4 a5 21.fxe5 dxe5 22.Rf1 Kb7 23.Rf8 a4
24.b3 Ka7 25.bxa4 Kb7 26.a5 Ka7 27.Rc1 Ne6 28.Rh8 Nf7 29.Rxh7 Kxa8 30.Rxf7 g5 31.Re7 c4 32.dxc4 Nd4 33.Rxe5 Nc6 34.h3 Nxe5 35.g4
Nc6 36.Bf3 Ka7 37.Rb1 Ka6 38.a3 Ka7 39.axb4 Nb8 40.b5 Nd7 41.b6+ Kb8 42.b7 Ne5 43.Be2 Nc6 44.a6 Ka7 45.c5 Kb8 46.e5 Ka7 47.Bf3
Nb8 48.c6 Kxa6 49.c7 Nd7 50.c8=Q Nb8 51.Qxb8 Ka5 52.Qa8# 1-0
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-23-2021"]
[Round ""]
[White "Ricardo"]
[Black "Jonesie"]
[Result "1-0"]
[ECO "c) U"]
1. e4 ... ;Book.
... c5 ;Book.
2. Nf3 ... ;Book.
... Nc6 ;Book.
3. d3 ... ;Book.
... g6 ;Score: 0.41 4.d4 cxd4 5.Nxd4 Bg7 6.Be3
;Nxd4 7.Bxd4 Nf6 8.Nc3 d6 9.Be2 (Time =
;0:15, Depth = 1/11)
4. Nc3 ... ;Score: 0.19 4...Bg7 5.Be2 Nf6 6.O-O O-O
;7.Nd5 Nxd5 8.exd5 Nb4 9.c4 d6 10.a3 Na6
;(Time = 0:20, Depth = 2/12)
... d6 ;Score: 0.40 5.d4 cxd4 6.Nxd4 Bg7 7.Bb5
;Bd7 8.Be3 Nf6 9.O-O Ng4 10.Nxc6 Nxe3
;11.Nxd8 Nxd1 12.Raxd1 Rxd8 13.Bxd7+ Kxd7
;(Time = 0:20, Depth = 2/12)
5. Nd5 ... ;Score: -0.11 5...e6 6.Nc3 Bg7 7.Be2 Nf6
;8.O-O O-O 9.Bg5 h6 10.Be3 Qb6 11.Qc1 g5
;(Time = 0:22, Depth = 2/13)
... Bg4 ;Score: 0.20 6.Be2 e6 7.Ne3 Bxf3 8.Bxf3
;Nf6 9.O-O Bh6 10.b3 O-O 11.Bb2 (Time =
;0:13, Depth = 1/11)
6. Bf4 ... ;Score: -0.15 6...e6 7.Ne3 h5 8.Nxg4
;hxg4 9.Nd2 f5 10.h3 gxh3 11.exf5 gxf5
;12.c3 Nf6 13.Rxh3 Rxh3 14.gxh3 (Time =
;0:21, Depth = 2/12)
... e5 ;Score: 0.07 7.Bg5 Bxf3 8.Qxf3 Qxg5
;9.Nc7+ Kd7 10.Nxa8 Bh6 11.Rd1 Qd8 12.d4
;Nxd4 13.Qxf7+ Ne7 (Time = 0:32, Depth =
;2/12)
7. Bg5 ... ;Score: 0.18 7...Be7 8.Nxe7 Ngxe7 9.Be2
;Qb6 10.O-O f6 11.Bxf6 O-O 12.Bg5 Bxf3
;13.Bxf3 Qxb2 (Time = 0:25, Depth = 2/12)
... Qxg5 ;Score: 0.28 8.Nc7+ Ke7 9.Nxg5 Bxd1
;10.Rxd1 Rd8 11.Nd5+ Ke8 12.Nf3 Bg7
;13.Be2 Nge7 14.Nxe7 Kxe7 15.O-O (Time =
;0:23, Depth = 2/13)
8. Nxg5 ... ;Score: 0.28 8...Bxd1 9.Nc7+ Ke7 10.Rxd1
;Rd8 11.Nd5+ Ke8 12.Nf3 Bg7 13.Be2 Nge7
;14.Nxe7 Kxe7 15.O-O (Time = 0:06, Depth
;= 2/12)
... Bxd1 ;Score: 0.21 9.Nc7+ Ke7 10.Rxd1 Rd8
;11.Nd5+ Ke8 12.d4 Be7 13.h4 Nf6 14.dxc5
;dxc5 15.Bb5 Nxd5 16.exd5 (Time = 0:18,
;Depth = 2/12)
9. Rxd1 ... ;Score: 0.19 9...Rc8 10.g3 Nb4 11.Bh3 f5
;12.Nxb4 cxb4 13.Kd2 Ne7 14.Rhe1 Bh6
;15.f4 Bxg5 16.fxg5 (Time = 0:19, Depth =
;2/12)
... Nb4 ;Score: 2.64 10.Nc7+ Kd7 11.Nxa8 Bh6
;12.c3 Bxg5 13.cxb4 Ne7 14.f4 exf4 15.d4
;Rxa8 16.dxc5 Bh4+ 17.Ke2 Nc8 (Time =
;0:15, Depth = 2/14)
10. Nc7+ ... ;Score: 2.64 10...Kd7 11.Nxa8 Bh6 12.c3
;Bxg5 13.cxb4 Ne7 14.f4 exf4 15.d4 Rxa8
;16.dxc5 Bh4+ 17.Ke2 Nc8 (Time = 0:11,
;Depth = 2/14)
... Kd7 ;Score: 2.71 11.Nxa8 Bh6 12.c3 Bxg5
;13.cxb4 Ne7 14.bxc5 dxc5 15.h4 Bf6
;16.Rc1 Kd6 17.b4 Rxa8 18.Rxc5 (Time =
;0:15, Depth = 2/14)
11. Nxa8 ... ;Score: 2.72 11...Bh6 12.c3 Bxg5 13.cxb4
;Ne7 14.bxc5 dxc5 15.h4 Bf6 16.Rc1 Rxa8
;17.Rxc5 Re8 18.Be2 Nc6 (Time = 0:15,
;Depth = 3/14)
... Kc6 ;Score: 8.07 12.Nxf7 Nxc2+ 13.Kd2 Nd4
;14.Nxh8 b5 15.Nf7 Kb7 16.b4 Nh6 17.Ng5
;Be7 18.Nf3 Nxf3+ 19.gxf3 Bg5+ 20.Kc3
;Kxa8 (Time = 0:19, Depth = 3/15)
12. Nxf7 ... ;Score: 8.08 12...Nxc2+ 13.Kd2 Nd4
;14.Nxh8 b5 15.Nf7 Kb7 16.b4 Nh6 17.Ng5
;Kxa8 18.Nf3 Nxf3+ 19.gxf3 Nf7 20.d4 Bh6+
;21.Kc2 cxd4 22.Bxb5 (Time = 0:14, Depth
;= 3/15)
... Bh6 ;Score: 10.54 13.c3 Nc2+ 14.Ke2 Bg7
;15.Kd2 Na3 16.bxa3 b6 17.Rb1 Nf6 18.Nxh8
;Bxh8 19.a4 Kb7 20.Nxb6 axb6 21.a5 b5
;22.Rxb5+ Ka6 (Time = 0:17, Depth = 3/14)
13. Nxh8 ... ;Score: 0.00 13...Nxc2+ 14.Ke2 Nd4+
;15.Ke1 Nc2+ 16.Ke2 (Time = 0:05, Depth =
;3/16)
... Nf6 ;Score: 13.06 14.c3 Nc2+ 15.Ke2 b5
;16.Nf7 Bf8 17.Rc1 Kb7 18.Rxc2 Kxa8 19.g3
;Kb7 20.Bh3 Kc7 21.f4 Bg7 (Time = 0:25,
;Depth = 3/14)
14. Nf7 ... ;Score: 0.00 14...Nxc2+ 15.Ke2 Nd4+
;16.Ke1 Nc2+ 17.Ke2 (Time = 0:08, Depth =
;3/16)
... Nxc2+ ;Score: 0.00 15.Ke2 Nd4+ 16.Ke1 Nc2+
;17.Ke2 (Time = 0:00, Depth = 1/2)
15. Ke2 ... ;Score: 0.00 15...Nd4+ 16.Ke1 Nc2+
;17.Ke2 (Time = 0:06, Depth = 4/16)
... Nd4+ ;Score: 0.00 16.Ke1 Nc2+ 17.Ke2 (Time =
;0:00, Depth = 1/2)
16. Ke1 ... ;Score: 0.00 16...Nc2+ 17.Ke2 (Time =
;0:04, Depth = 4/16)
... b5 ;Score: 12.70 17.Nxh6 Kb7 18.Nf7 Kxa8
;19.Rc1 Nd7 20.Nxd6 Kb8 21.b4 Kc7 22.bxc5
;Kc6 23.Nf7 Ne6 24.Be2 Nexc5 (Time =
;0:13, Depth = 3/15)
17. Nxh6 ... ;Score: 12.84 17...Kb7 18.Nf7 Ne8 19.Rc1
;b4 20.f4 exf4 21.e5 dxe5 22.Rxc5 Ne6
;23.Rxe5 N8g7 24.Rb5+ Kxa8 25.Rxb4 (Time
;= 0:21, Depth = 3/15)
... b4 ;Score: 13.16 18.Nf7 Ne8 19.Rc1 Kb7
;20.f4 exf4 21.e5 Kxa8 22.Nxd6 b3 23.axb3
;Nxd6 24.exd6 Kb7 25.Rxc5 Nxb3 (Time =
;0:27, Depth = 3/15)
18. Ng4 ... ;Score: 9.67 18...Nxg4 19.Be2 Nf6 20.Rf1
;Ne6 21.f4 exf4 22.Bf3 Nd4 23.Kf2 Nxf3
;24.Kxf3 Kb7 25.e5 dxe5 (Time = 0:06,
;Depth = 3/14)
... Nxg4 ;Score: 9.69 19.Be2 Nf6 20.Rf1 Ne6 21.f4
;exf4 22.Bf3 Nd4 23.Kf2 Nxf3 24.Kxf3 Kb7
;25.d4 Kxa8 26.dxc5 dxc5 27.Rd8+ Kb7
;28.Kxf4 (Time = 0:16, Depth = 4/15)
19. Be2 ... ;Score: 9.69 19...Nf6 20.Rf1 Ne6 21.f4
;exf4 22.Bf3 Nd4 23.Kf2 Nxf3 24.Kxf3 Kb7
;25.d4 Kxa8 26.dxc5 dxc5 27.Rd8+ Kb7
;28.Kxf4 (Time = 0:13, Depth = 3/14)
... Nh6 ;Score: 10.26 20.Rf1 g5 21.h4 Kb7
;22.hxg5 Nf7 23.f4 Kxa8 24.fxe5 Nxe5
;25.Rf8+ Kb7 26.Rh8 Kc6 27.Rxh7 a5 28.Kf1
;(Time = 0:37, Depth = 4/15)
20. f4 ... ;Score: 10.07 20...exf4 21.Rf1 g5 22.h4
;Nc2+ 23.Kd2 Ne3 24.hxg5 Nxf1+ 25.Rxf1
;Nf7 26.Rxf4 Nxg5 27.Rf8 b3 28.axb3 Ne6
;(Time = 0:21, Depth = 4/15)
... a5 ;Score: 12.20 21.fxe5 dxe5 22.Rf1 b3
;23.axb3 Nc2+ 24.Kd2 Nd4 25.Rf8 Nxb3+
;26.Ke3 Nd4 27.Rh8 Nf7 28.Rxh7 Nd6 29.Bg4
;(Time = 0:14, Depth = 3/14)
21. fxe5 ... ;Score: 12.19 21...dxe5 22.Rf1 b3
;23.axb3 Nc2+ 24.Kd2 Nd4 25.Rf8 Nxb3+
;26.Ke3 Nd4 27.Rh8 Nf7 28.Rxh7 Nd6 29.Bg4
;(Time = 0:18, Depth = 3/14)
... dxe5 ;Score: 12.71 22.Rf1 b3 23.axb3 Nc2+
;24.Kd2 Nd4 25.Rf8 Nxb3+ 26.Ke3 Nd4
;27.Rc8+ Kb7 28.Rh8 Kc6 29.Rxh7 Ng8
;30.Bg4 (Time = 0:12, Depth = 3/14)
22. Rf1 ... ;Score: 12.71 22...b3 23.axb3 Nc2+
;24.Kd2 Nd4 25.Rf8 Nxb3+ 26.Ke3 Nd4
;27.Rc8+ Kb7 28.Rh8 Kc6 29.Rxh7 Ng8
;30.Bg4 (Time = 0:13, Depth = 3/13)
... Kb7 ;Score: 13.62 23.Rf8 b3 24.axb3 Kc6
;25.Rh8 Nf7 26.Rxh7 Ng5 27.Rc7+ Kd6
;28.Rg7 Nge6 29.Rxg6 Kc6 30.Kf2 (Time =
;0:17, Depth = 3/14)
23. Rf8 ... ;Score: 13.62 23...b3 24.axb3 Kc6 25.Rh8
;Nf7 26.Rxh7 Ng5 27.Rc7+ Kd6 28.Rg7 Nge6
;29.Rxg6 Kc6 30.Kf2 (Time = 0:14, Depth =
;3/13)
... a4 ;Score: 15.91 24.Rc1 b3 25.Rxc5 Ne6
;26.Rb5+ Kc6 27.Rfb8 Kd7 28.R8b7+ Ke8
;29.Nc7+ Nxc7 30.Rxc7 Nf7 31.Rb8+ Nd8
;32.axb3 h6 33.bxa4 (Time = 0:20, Depth =
;3/13)
24. b3 ... ;Score: 12.65 24...axb3 25.axb3 g5
;26.Rh8 Nxb3 27.Rxh7+ Kxa8 28.Rxh6 Nd4
;29.Rg6 Ka7 30.Rxg5 Nc6 31.Rc1 Kb6 32.Rg7
;(Time = 0:22, Depth = 3/14)
... Ka7 ;Score: 15.08 25.bxa4 Ne6 26.Re8 Nd4
;27.Rc1 b3 28.axb3 Nxb3 29.Rc3 Nd4
;30.Rxc5 Ka6 31.Rc7 g5 32.Rxe5 (Time =
;0:22, Depth = 3/14)
25. bxa4 ... ;Score: 15.85 25...Ne6 26.Re8 Nd4 27.Rc1
;b3 28.axb3 Nxb3 29.Rb1 Nd4 30.Nc7 Nc2+
;31.Kd2 Nb4 32.Rxe5 Nc6 33.Rxc5 (Time =
;0:22, Depth = 3/14)
... Kb7 ;Score: 16.69 26.Rc1 b3 27.axb3 Ne6
;28.Re8 Nd4 29.Rxc5 Ka6 30.Rexe5 Ng8
;31.Bd1 h5 32.Nc7+ Kb7 (Time = 0:13,
;Depth = 3/13)
26. a5 ... ;Score: 15.14 26...Nc2+ 27.Kf2 Nd4
;28.Rh8 Nb5 29.Rxh7+ Kxa8 30.Rxh6 Nc3
;31.Rd2 g5 32.Rh5 c4 33.Rxg5 b3 34.axb3
;cxb3 35.Rxe5 (Time = 0:20, Depth = 3/13)
... Ka7 ;Score: 17.36 27.Nc7 b3 28.axb3 Nc2+
;29.Kd2 Nb4 30.Nb5+ Kb7 31.Rh8 Kc6
;32.Na7+ Kd6 33.Rxh7 Ng8 34.Nb5+ Kc6
;35.d4 c4 36.Bxc4 (Time = 0:47, Depth =
;3/14)
27. Rc1 ... ;Score: 18.38 27...Ne6 28.Re8 Nf7
;29.Rxe6 Kxa8 30.Re8+ Kb7 31.Re7+ Kc6
;32.Rxf7 Kd6 33.a6 b3 34.axb3 (Time =
;0:19, Depth = 3/12)
... Ne6 ;Score: 19.97 28.Re8 b3 29.Rxe6 bxa2
;30.Nc7 Kb7 31.Nb5 Kc8 32.a6 Kd7 33.a7
;a1=Q 34.Rxa1 Kxe6 35.Ra6+ Ke7 36.a8=Q
;(Time = 0:20, Depth = 3/14)
28. Rh8 ... ;Score: 16.68 28...Nf7 29.Re8 Ned8
;30.Nb6 Nc6 31.Rxc5 Nfd8 32.Rh8 Nf7
;33.Rxh7 Nd8 34.d4 Kb8 35.dxe5 (Time =
;0:13, Depth = 3/13)
... Nf7 ;Score: 17.30 29.Re8 Nfd8 30.Bg4 b3
;31.axb3 Nd4 32.Rxd8 Nxb3 33.Rb1 Nd4
;34.Nc7 Nc2+ 35.Kd2 Nb4 36.Rd6 (Time =
;0:18, Depth = 3/14)
29. Rxh7 ... ;Score: 17.75 29...Ng5 30.Rg7 Kxa8 31.h4
;Ne6 32.Rxf7 b3 33.axb3 g5 34.hxg5 Kb8
;35.Bg4 Nd8 36.Rf8 Kc7 37.Rxc5+ Nc6 (Time
;= 0:15, Depth = 4/15)
... Kxa8 ;Score: 21.60 30.Rxf7 Kb8 31.Bg4 Nd8
;32.Rf8 Kc7 33.Rxc5+ Kd6 34.Rd5+ Ke7
;35.Rfxd8 Kf6 36.a6 b3 37.axb3 Kg5 (Time
;= 0:21, Depth = 4/14)
30. Rxf7 ... ;Score: 23.74 30...Kb8 31.Bg4 Nd8 32.Rf8
;Kc7 33.Rxc5+ Kd6 34.Rd5+ Ke7 35.Rfxd8
;Kf6 36.a6 Kg5 37.a7 Kxg4 38.a8=Q Kf4
;(Time = 0:21, Depth = 5/14)
... g5 ;Score: 22.62 31.Re7 b3 32.axb3 g4
;33.Rxe6 g3 34.hxg3 c4 35.bxc4 Kb8
;36.Rb1+ Kc8 37.a6 Kc7 38.Rxe5 (Time =
;0:21, Depth = 4/13)
31. Re7 ... ;MATE IN 9. 31...b3 32.Rxe6 bxa2 33.Kd2
;Kb8 34.Re7 a1=Q 35.Rxa1 Kc8 36.Rb1 c4
;37.Bg4+ Kd8 38.Rd7+ Kc8 39.Rf7+ Kd8
;40.Rb8# (Time = 0:13, Depth = 4/13)
... c4 ;MATE IN 5. 32.Rxc4 Kb8 33.a6 Nc5
;34.Rxc5 g4 35.Rb7+ Ka8 36.Rc8# (Time =
;0:00, Depth = 2/7)
32. dxc4 ... ;Score: 23.41 32...Nd4 33.Re8+ Ka7
;34.Kd2 Nf3+ 35.Bxf3 Ka6 36.Bg4 b3
;37.axb3 Kb7 38.Rxe5 Kc6 39.Ke3 Kd6
;40.Rxg5 (Time = 0:15, Depth = 4/13)
... Nd4 ;Score: 25.92 33.Re8+ Ka7 34.Kd2 Nxe2
;35.Kxe2 Kb7 36.c5 Ka6 37.c6 Kb5 38.c7
;Ka4 39.Rxe5 Ka3 40.c8=Q g4 (Time = 0:26,
;Depth = 4/13)
33. Rxe5 ... ;Score: 20.39 33...b3 34.axb3 Kb7 35.a6+
;Kxa6 36.c5+ Kb7 37.Re7+ Kc6 38.Bh5 Kb5
;39.Be8+ Kb4 40.Rc4+ Kxb3 41.Rxd4 Kc3
;(Time = 0:26, Depth = 3/12)
... Nc6 ;MATE IN 9. 34.Re8+ Kb7 35.Rd1 Nxa5
;36.c5 Kc7 37.Bb5 Nc6 38.Ba6 Na7 39.Rd6
;b3 40.Re7+ Kb8 41.Rd8+ Nc8 42.Rxc8#
;(Time = 0:20, Depth = 4/13)
34. h3 ... ;Score: 13.09 34...Nxe5 35.Rd1 Kb7
;36.Rd5 Nc6 37.Rxg5 Nd4 38.Rg7+ Ka6
;39.c5+ Nxe2 40.Kxe2 Kb5 41.Rc7 Kxa5
;42.Rb7 Ka4 (Time = 0:26, Depth = 5/14)
... Nxe5 ;Score: 13.11 35.Rd1 Kb8 36.Rd5 Nc6
;37.Rxg5 Nd4 38.Rg8+ Kb7 39.c5 Ne6 40.a6+
;Ka7 41.c6 Kb6 42.Bc4 (Time = 0:20, Depth
;= 6/13)
35. g4 ... ;Score: 14.02 35...Kb7 36.c5 Nc6 37.a6+
;Kc7 38.e5 Nxe5 39.a7 Kb7 40.c6+ Nxc6
;41.Rxc6 Kxa7 42.Rc5 Kb7 43.Rxg5 Kc7
;44.Rb5 Kd6 45.Rxb4 (Time = 0:35, Depth =
;8/15)
... Nc6 ;Score: 13.34 36.Rd1 Kb7 37.e5 Nxe5
;38.Rd5 Nc6 39.Bf3 Nb8 40.Rc5+ Ka6 41.Rc8
;Ka7 42.Rc7+ Ka6 43.Rb7 Nd7 44.Rxd7 Kxa5
;(Time = 0:31, Depth = 7/14)
36. Bf3 ... ;Score: 13.11 36...Ne5 37.Kf2 b3 38.axb3
;Nd3+ 39.Ke3 Nxc1 40.e5+ Ka7 41.e6 Nxb3
;42.e7 Nxa5 43.c5 Nb3 44.c6 Nd4 45.e8=Q
;Nxc6 46.Qxc6 (Time = 0:40, Depth = 8/15)
... Ka7 ;Score: 12.92 37.Rd1 Ne5 38.Be2 Kb7
;39.Rd5 Nc6 40.Rxg5 Kc7 41.Kf2 Nd8 42.h4
;Nf7 43.Rf5 (Time = 0:15, Depth = 6/13)
37. Rb1 ... ;Score: 12.93 37...Nd4 38.Kf2 Nc6 39.Rd1
;Ne5 40.Rd5 Nxc4 41.Rxg5 Nd2 42.Rd5 Nc4
;43.Be2 Na3 44.h4 (Time = 0:14, Depth =
;7/14)
... Ka6 ;Score: 13.40 38.Rd1 Ne5 39.Kf2 Kb7
;40.Rd5 Nxc4 41.e5 Kc6 42.e6 Nd6 43.e7
;Kd7 44.e8=Q+ Kxe8 45.Rxd6 (Time = 0:12,
;Depth = 6/13)
38. a3 ... ;Score: 10.57 38...bxa3 39.Kd2 Nd4
;40.Bd1 Kxa5 41.Kc3 Ne6 42.Ra1 Kb6
;43.Rxa3 Kc5 44.e5 Nc7 45.Ra5+ Kb6 (Time
;= 0:28, Depth = 7/14)
... Ka7 ;Score: 14.25 39.axb4 Kb8 40.Kf2 Ne5
;41.Rd1 Kc7 42.Rd5 Nc6 43.e5 Nd8 44.Rc5+
;Kb8 45.Bd5 Nb7 46.Bxb7 Kxb7 (Time =
;0:22, Depth = 7/14)
39. axb4 ... ;Score: 15.48 39...Nd4 40.Kf2 Nc6 41.Rd1
;Kb8 42.b5 Ne5 43.Rd8+ Kc7 44.a6 Nxc4
;45.a7 Nb6 46.Rb8 Nd7 47.e5 Nxb8 48.a8=Q
;(Time = 0:27, Depth = 8/15)
... Nb8 ;MATE IN 12. 40.e5 Nd7 41.e6 Ne5 42.e7
;Nxf3+ 43.Kf2 Ne5 44.e8=Q Nd3+ 45.Kf3 Kb7
;46.a6+ Kc7 47.a7 Kd6 48.a8=Q Ne5+ 49.Ke4
;Nd7 50.Rd1+ Kc7 51.Qed8# (Time = 0:18,
;Depth = 7/14)
40. b5 ... ;MATE IN 11. 40...Nd7 41.b6+ Kb8 42.a6
;Kc8 43.b7+ Kd8 44.b8=Q+ Nxb8 45.Rxb8+
;Ke7 46.a7 Ke6 47.a8=Q Ke5 48.Qd5+ Kf4
;49.Ke2 Kg3 50.Qd6+ Kxh3 51.Rh8# (Time =
;0:31, Depth = 7/14)
... Nd7 ;MATE IN 12. 41.b6+ Kb8 42.a6 Kc8 43.a7
;Kd8 44.a8=Q+ Ke7 45.Qa3+ Ke6 46.e5 Kf7
;47.b7 Nb8 48.Qd6 Nc6 49.Qf6+ Kg8
;50.b8=Q+ Nxb8 51.Rxb8+ Kh7 52.Be4# (Time
;= 0:20, Depth = 6/13)
41. b6+ ... ;MATE IN 11. 41...Kb8 42.a6 Kc8 43.a7
;Kd8 44.a8=Q+ Ke7 45.Rb5 Kf7 46.Qd8 Nc5
;47.Qc7+ Ke8 48.b7 Nd7 49.b8=Q+ Ke7
;50.Qd6+ Kf7 51.Qxd7+ Kg6 52.Rb6# (Time =
;0:10, Depth = 6/13)
... Kb8 ;MATE IN 9. 42.a6 Kc8 43.a7 Kd8 44.a8=Q+
;Ke7 45.Qd5 Nf6 46.Qe5+ Kf7 47.Ra1 Nd7
;48.Ra7 Kf8 49.Rxd7 Kg8 50.Qg7# (Time =
;0:17, Depth = 6/13)
42. b7 ... ;MATE IN 10. 42...Nc5 43.e5 Nd3+ 44.Kd2
;Nxe5 45.a6 Nd7 46.Bc6 Kc7 47.Bxd7 Kd8
;48.b8=Q+ Ke7 49.Qe8+ Kd6 50.Qe6+ Kc7
;51.Rb7+ Kd8 52.Qe8# (Time = 0:09, Depth
;= 7/14)
... Ne5 ;MATE IN 8. 43.a6 Nd7 44.Rd1 Kc7
;45.Rxd7+ Kxd7 46.b8=Q Ke7 47.Qc7+ Ke6
;48.a7 Kf6 49.a8=Q Kg6 50.Qac6# (Time =
;0:02, Depth = 5/12)
43. Be2 ... ;MATE IN 11. 43...Nd7 44.c5 Nxc5 45.a6
;Nd7 46.Rd1 Kc7 47.Rxd7+ Kc6 48.b8=Q Kxd7
;49.a7 Ke7 50.Qc7+ Ke6 51.Bc4+ Kf6 52.e5+
;Kg6 53.Bd3+ Kh6 54.Qh7# (Time = 0:02,
;Depth = 6/13)
... Nc6 ;MATE IN 9. 44.a6 Ka7 45.e5 Kb8 46.Rb6
;Na7 47.Rf6 Kc7 48.Rf7+ Kb6 49.b8=Q+ Ka5
;50.Rxa7 Ka4 51.Bd1+ Ka5 52.Qb5# (Time =
;0:04, Depth = 6/13)
44. a6 ... ;MATE IN 10. 44...Ka7 45.e5 Kb8 46.e6
;Kc7 47.a7 Kd6 48.b8=Q+ Kxe6 49.Qg8+ Kf6
;50.a8=Q Ke5 51.Qae8+ Kf4 52.Qgf8+ Kg3
;53.Qf2+ Kxh3 54.Rb3# (Time = 0:00, Depth
;= 4/11)
... Ka7 ;MATE IN 8. 45.c5 Kb8 46.Rb6 Na7 47.c6
;Nc8 48.a7+ Nxa7 49.c7+ Kxc7 50.b8=Q+ Kd7
;51.Qxa7+ Ke8 52.Rb8# (Time = 0:00, Depth
;= 3/10)
45. c5 ... ;Score: 28.34 45...Nb8 46.e5 Nc6 47.e6
;Kb8 48.e7 Nxe7 49.a7+ Kc7 50.b8=Q+ Kd7
;51.a8=Q (Time = 0:00, Depth = 3/8)
... Kb8 ;MATE IN 7. 46.Rb6 Na7 47.c6 Nc8 48.a7+
;Nxa7 49.c7+ Kxc7 50.b8=Q+ Kd7 51.Qxa7+
;Ke8 52.Rb8# (Time = 0:00, Depth = 3/8)
46. e5 ... ;MATE IN 8. 46...Ka7 47.e6 Kb8 48.e7
;Nxe7 49.a7+ Kc7 50.b8=Q+ Kd7 51.Rb7+ Ke6
;52.Qd6+ Kf7 53.Rxe7+ Kg8 54.a8=Q# (Time
;= 0:00, Depth = 2/7)
... Ka7 ;MATE IN 7. 47.b8=Q+ Nxb8 48.e6 Nc6
;49.e7 Nxe7 50.Rb7+ Ka8 51.Rxe7 Kb8
;52.a7+ Ka8 53.Bf3# (Time = 0:00, Depth =
;2/7)
47. Bf3 ... ;Score: 20.98 47...Nb8 48.c6 Kxa6 49.c7
;Nc6 50.b8=N+ Nxb8 51.cxb8=Q (Time =
;0:00, Depth = 2/5)
... Nb8 ;MATE IN 5. 48.e6 Nxa6 49.e7 Nb4 50.e8=Q
;Nc2+ 51.Kf2 Ka6 52.Qa8# (Time = 0:00,
;Depth = 2/6)
48. c6 ... ;Score: 24.45 48...Kxa6 49.c7 Nd7
;50.c8=Q Nb8 51.Qxb8 (Time = 0:00, Depth
;= 1/4)
... Kxa6 ;MATE IN 4. 49.c7 Nd7 50.c8=Q Nb8
;51.Qxb8 Ka5 52.Qa8# (Time = 0:00, Depth
;= 2/6)
49. c7 ... ;MATE IN 4. 49...Nd7 50.c8=Q Nb8 51.Be2+
;Ka5 52.Qc5+ Ka4 53.Bd1# (Time = 0:00,
;Depth = 2/4)
... Nd7 ;MATE IN 3. 50.c8=Q Nb8 51.Qxb8 Ka5
;52.Qa8# (Time = 0:00, Depth = 2/4)
50. c8=Q ... ;MATE IN 3. 50...Nb8 51.Be2+ Ka5 52.Qc5+
;Ka4 53.Bd1# (Time = 0:00, Depth = 1/2)
... Nb8 ;MATE IN 2. 51.Qxb8 Ka5 52.Qa7# (Time =
;0:00, Depth = 1/2)
51. Qxb8 ... ;MATE IN 1. 51...Ka5 52.Qa7# (Time =
;0:00, Depth = 1/2)
... Ka5 ;MATE IN 1. 52.Qa7# (Time = 0:00, Depth
;= 1/1)
52. Qa8# 1-0
[Event "Chessmaster: Grandmaster Edition Rated Game"]
[Site ""]
[Date "3-23-2021"]
[Round ""]
[White "Ricardo"]
[Black "Jonesie"]
[Result "1-0"]
[ECO "c) U"]
;Annotations by Chessmaster: Grandmaster Edition Auto-Annotator. 22 seconds
;per move.
;
; White Black
;Book Move 3 3
;Leave Book 1 0
;CMX Agrees 37 32
;CMX Disagrees 12 16
;Agreement Pct. 76% 67%
;Total Error 43.55 52.62
;Relevant Error 23.60 33.56
;Missed Mate 4 0
;Moved Into Mate 0 3
;
;
1. e4 ... ;B00 King's Pawn Opening. The King's Pawn
;opening move is both popular and
;logical. It controls the center, opens
;lines for both the Queen and the Bishop,
;and usually leads to an open game in
;which tactics, rather than slow
;maneuvering, predominates.
... c5 ;B20 Sicilian Defense. The Sicilian
;Defense has an ancient lineage. It
;creates an unbalanced position in which
;both sides have full rein for play, and
;allows Black to call the shots at least
;to some extent.
2. Nf3 ... ;B27 Sicilian Defense / King's Knight
;Variation. White's normal response
;prepares d4 and avoids such committing
;moves as f4 or d3 or Nc3, which have
;their own rationale.
... Nc6 ;B30 Sicilian Defense / Nc6 Variation.
;Black can tip his hand with 2... d6 or
;e6, but the Knight move is useful in
;virtually all Sicilians.
3. d3 ... ;Opening Book move
... g6 ;Opening Book move
4. Nc3 ... ;Out of Opening Book.
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... d6
5. Nd5 ... ;Blocks Black's pawn at d6.
... Bg4 ;Pins White's knight at f3.
6. Bf4 e5 ;Threatens White's bishop at f4.
7. Bg5 ... ;Moves it out of immediate jeopardy,
;attacks Black's queen, and blocks
;Black's pawn at g6.
... Qxg5 ;Makes way for a castle to the queenside.
8. Nxg5 ... ;Threatens Black's bishop at g4 and
;blocks Black's pawn at g6.
... Bxd1 ;Attacks White's pawn at c2.
9. Rxd1 ... ;Removes the threat on White's pawn at
;c2. White wins a queen and a bishop for
;a queen and a bishop. Material is even.
... Nb4 ;Leads to 10.Nc7+ Kd7 11.Nxa8 Bh6 12.c3
;Bxg5 13.cxb4 Ne7 14.f4 exf4 15.d4 Rxa8
;16.dxc5 Bh4+ 17.Ke2 Nc8, which wins two
;knights and a pawn for a rook, a knight,
;and a pawn. Better is Rc8, leading to
;10.g3 Nb4 11.Bh3 f5 12.Nxb4 cxb4 13.Kd2
;Ne7 14.Rhe1 Bh6 15.f4 Bxg5 16.fxg5,
;which wins two knights for a bishop and
;a knight.
10. Nc7+ ... ;Protects White's pawn at a2 and White's
;pawn at c2 and forks Black's rook at a8
;and Black's king.
... Kd7 ;Moves it out of check and triple-forks
;White's knight at c7, White's pawn at
;a2, and White's pawn at c2.
11. Nxa8 Kc6 ;Danger! Leads to 12.Nxf7 Nxc2+ 13.Kd2
;Nd4 14.Nxh8 b5 15.Nf7 Kb7 16.b4 Nh6
;17.Ng5 Be7 18.Nf3 Nxf3+ 19.gxf3 Bg5+
;20.Kc3 Kxa8, which wins two knights and
;a pawn for a rook, a knight, and a pawn.
;Much better is Bh6, leading to 12.c3
;Bxg5 13.cxb4 Ne7 14.bxc5 dxc5 15.h4 Bf6
;16.Rc1 Rxa8 17.Rxc5 Re8 18.Be2 Nc6,
;which wins two knights and a pawn for a
;knight and two pawns.
12. Nxf7 ... ;Attacks Black's rook.
... Bh6 ;Leads to 13.c3 Nc2+ 14.Ke2 Bg7 15.Kd2
;Na3 16.bxa3 b6 17.Rb1 Nf6 18.Nxh8 Bxh8
;19.a4 Kb7 20.Nxb6 axb6 21.a5 b5 22.Rxb5+
;Ka6, which wins two knights for a rook,
;a knight, and two pawns. Better is
;Nxc2+, leading to 13.Kd2 Nd4 14.Nxh8 b5
;15.Nf7 Kb7 16.b4 Nh6 17.Ng5 Kxa8 18.Nf3
;Nxf3+ 19.gxf3 Nf7 20.d4 Bh6+ 21.Kc2 cxd4
;22.Bxb5, which wins two knights and two
;pawns for a rook, a knight, and a pawn.
13. Nxh8 ... ;Ouch! Puts the knight on the edge of the
;board. Leads to 13...Nxc2+ 14.Ke2 Nd4+
;15.Ke1 Nc2+ 16.Ke2, which wins a rook
;for a pawn. Much better is c3, leading
;to 13...Nc2+ 14.Ke2 Bg7 15.Kd2 Na3
;16.bxa3 b6 17.Rb1 Nf6 18.Nxh8 Bxh8 19.a4
;Kb7 20.Nxb6 axb6 21.a5 b5 22.Rxb5+ Ka6,
;which wins a rook, a knight, and two
;pawns for two knights.
... Nf6 ;Uh-oh! Leads to 14.c3 Nc2+ 15.Ke2 b5
;16.Nf7 Bf8 17.Rc1 Kb7 18.Rxc2 Kxa8 19.g3
;Kb7 20.Bh3 Kc7 21.f4 Bg7, which wins a
;knight for a knight. Much better is
;Nxc2+, leading to 14.Ke2 Nd4+ 15.Ke1
;Nc2+ 16.Ke2, which wins a pawn. This was
;black's critical error in the game.
;Black did recover, but was later mated.
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14. Nf7 ... ;Uh-oh! Leads to 14...Nxc2+ 15.Ke2 Nd4+
;16.Ke1 Nc2+ 17.Ke2, which loses a pawn.
;Much better is c3, leading to 14...Nc2+
;15.Ke2 b5 16.Nf7 Bf8 17.Rc1 Kb7 18.Rxc2
;Kxa8 19.g3 Kb7 20.Bh3 Kc7 21.f4 Bg7,
;which wins a knight for a knight. White
;had a won game before this error, but it
;was not costly; white was able to
;eventually mate.
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;
... Nxc2+ ;Protects Black's bishop and checks
;White's king. Black wins a pawn. White
;is up two rooks.
15. Ke2 ... ;Forced. Moves it out of check and
;attacks Black's bishop.
... Nd4+ ;Protects Black's bishop, checks White's
;king, and blocks White's pawn at d3.
16. Ke1 ... ;Forced. Moves it out of check and
;attacks Black's bishop.
... b5 ;Yikes! Leads to 17.Nxh6 Kb7 18.Nf7 Kxa8
;19.Rc1 Nd7 20.Nxd6 Kb8 21.b4 Kc7 22.bxc5
;Kc6 23.Nf7 Ne6 24.Be2 Nexc5, which wins
;a knight and a pawn for a bishop and two
;pawns. Much better is Nc2+, leading to
;17.Ke2, which results in no exchange of
;material.
17. Nxh6 ... ;Blocks Black's pawn at h7. White wins a
;bishop. White is ahead by two rooks and
;a bishop.
... b4
18. Ng4 ... ;Hangs the knight at g4. Leads to
;18...Nxg4 19.Be2 Nf6 20.Rf1 Ne6 21.f4
;exf4 22.Bf3 Nd4 23.Kf2 Nxf3 24.Kxf3 Kb7
;25.e5 dxe5, which wins a knight for a
;bishop, a knight, and two pawns. Better
;is Nf7, leading to 18...Ne8 19.Rc1 Kb7
;20.f4 exf4 21.e5 Kxa8 22.Nxd6 b3 23.axb3
;Nxd6 24.exd6 Kb7 25.Rxc5 Nxb3, which
;wins a knight and three pawns for two
;knights and two pawns.
... Nxg4 ; Black wins a knight.
19. Be2 ... ;Attacks Black's knight at g4.
... Nh6 ;Moves it to safety.
20. f4 a5 ;Leads to 21.fxe5 dxe5 22.Rf1 b3 23.axb3
;Nc2+ 24.Kd2 Nd4 25.Rf8 Nxb3+ 26.Ke3 Nd4
;27.Rh8 Nf7 28.Rxh7 Nd6 29.Bg4, which
;wins two pawns for three pawns. Better
;is exf4, leading to 21.Rf1 g5 22.h4 Nc2+
;23.Kd2 Ne3 24.hxg5 Nxf1+ 25.Rxf1 Nf7
;26.Rxf4 Nxg5 27.Rf8 b3 28.axb3 Ne6,
;which wins a rook and two pawns for a
;knight and three pawns.
21. fxe5 dxe5 ; Black wins a pawn for a pawn.
22. Rf1 ... ;Seizes the open file.
... Kb7 ;Slightly better is b3.
23. Rf8 ... ;Protects White's knight.
... a4 ;Leads to 24.Rc1 b3 25.Rxc5 Ne6 26.Rb5+
;Kc6 27.Rfb8 Kd7 28.R8b7+ Ke8 29.Nc7+
;Nxc7 30.Rxc7 Nf7 31.Rb8+ Nd8 32.axb3 h6
;33.bxa4, which wins a knight for a
;knight and three pawns. Better is b3,
;leading to 24.axb3 Kc6 25.Rh8 Nf7
;26.Rxh7 Ng5 27.Rc7+ Kd6 28.Rg7 Nge6
;29.Rxg6 Kc6 30.Kf2, which loses three
;pawns.
24. b3 ... ;Leads to 24...axb3 25.axb3 g5 26.Rh8
;Nxb3 27.Rxh7+ Kxa8 28.Rxh6 Nd4 29.Rg6
;Ka7 30.Rxg5 Nc6 31.Rc1 Kb6 32.Rg7, which
;wins a knight and three pawns for a
;knight and two pawns. Better is Rc1,
;leading to 24...b3 25.Rxc5 Ne6 26.Rb5+
;Kc6 27.Rfb8 Kd7 28.R8b7+ Ke8 29.Nc7+
;Nxc7 30.Rxc7 Nf7 31.Rb8+ Nd8 32.axb3 h6
;33.bxa4, which wins a knight and three
;pawns for a knight.
... Ka7 ;Leads to 25.bxa4 Ne6 26.Re8 Nd4 27.Rc1
;b3 28.axb3 Nxb3 29.Rc3 Nd4 30.Rxc5 Ka6
;31.Rc7 g5 32.Rxe5, which wins a pawn for
;four pawns. Better is axb3, leading to
;25.axb3 g5 26.Rh8 Nxb3 27.Rxh7+ Kxa8
;28.Rxh6 Nd4 29.Rg6 Ka7 30.Rxg5 Nc6
;31.Rc1 Kb6 32.Rg7, which wins a knight
;and two pawns for a knight and three
;pawns.
25. bxa4 ... ;Creates a passed pawn on a4. White wins
;a pawn.
... Kb7 ;Slightly better is Ne6.
26. a5 ... ;Leads to 26...Nc2+ 27.Kf2 Nd4 28.Rh8 Nb5
;29.Rxh7+ Kxa8 30.Rxh6 Nc3 31.Rd2 g5
;32.Rh5 c4 33.Rxg5 b3 34.axb3 cxb3
;35.Rxe5, which wins a knight and four
;pawns for a knight and a pawn. Better is
;Rc1, leading to 26...b3 27.axb3 Ne6
;28.Re8 Nd4 29.Rxc5 Ka6 30.Rexe5 Ng8
;31.Bd1 h5 32.Nc7+ Kb7, which wins three
;pawns.
... Ka7 ;Leads to 27.Nc7 b3 28.axb3 Nc2+ 29.Kd2
;Nb4 30.Nb5+ Kb7 31.Rh8 Kc6 32.Na7+ Kd6
;33.Rxh7 Ng8 34.Nb5+ Kc6 35.d4 c4
;36.Bxc4, which loses three pawns. Better
;is Nc2+, leading to 27.Kf2 Nd4 28.Rh8
;Nb5 29.Rxh7+ Kxa8 30.Rxh6 Nc3 31.Rd2 g5
;32.Rh5 c4 33.Rxg5 b3 34.axb3 cxb3
;35.Rxe5, which wins a knight and a pawn
;for a knight and four pawns.
27. Rc1 ... ;Attacks Black's pawn at c5.
... Ne6 ;Removes the threat on Black's pawn at c5
;and threatens White's rook at f8.
28. Rh8 ... ;Leads to 28...Nf7 29.Re8 Ned8 30.Nb6 Nc6
;31.Rxc5 Nfd8 32.Rh8 Nf7 33.Rxh7 Nd8
;34.d4 Kb8 35.dxe5. Better is Re8,
;leading to 28...b3 29.Rxe6 bxa2 30.Nc7
;Kb7 31.Nb5 Kc8 32.a6 Kd7 33.a7 a1=Q
;34.Rxa1 Kxe6 35.Ra6+ Ke7 36.a8=Q, which
;gains a queen and a knight and loses a
;rook and four pawns by comparison.
... Nf7 ;Threatens White's rook at h8.
29. Rxh7 ... ;Pins Black's knight at f7, threatens
;Black's knight at f7, and isolates
;Black's pawn at g6.
... Kxa8 ;Leads to 30.Rxf7 Kb8 31.Bg4 Nd8 32.Rf8
;Kc7 33.Rxc5+ Kd6 34.Rd5+ Ke7 35.Rfxd8
;Kf6 36.a6 b3 37.axb3 Kg5, which wins a
;knight for two knights and two pawns.
;Better is Ng5, leading to 30.Rg7 Kxa8
;31.h4 Ne6 32.Rxf7 b3 33.axb3 g5 34.hxg5
;Kb8 35.Bg4 Nd8 36.Rf8 Kc7 37.Rxc5+ Nc6,
;which wins a knight for a knight and
;three pawns.
30. Rxf7 ... ; White wins a knight and a pawn for a
;knight.
... g5
31. Re7 ... ;Threatens Black's knight.
... c4
32. dxc4 ... ;White doesn't see the win. Much better
;is Rxc4, leading to 32...Kb8 33.a6 Nc5
;34.Rxc5 g4 35.Rb7+ Ka8 36.Rc8# and
;checkmate.
... Nd4 ;Moves it to safety.
33. Rxe5 ... ;Ouch! Leads to 33...b3 34.axb3 Kb7
;35.a6+ Kxa6 36.c5+ Kb7 37.Re7+ Kc6
;38.Bh5 Kb5 39.Be8+ Kb4 40.Rc4+ Kxb3
;41.Rxd4 Kc3. Much better is Re8+,
;leading to 33...Ka7 34.Kd2 Nxe2 35.Kxe2
;Kb7 36.c5 Ka6 37.c6 Kb5 38.c7 Ka4
;39.Rxe5 Ka3 40.c8=Q g4, which gains a
;queen and a pawn and loses a bishop and
;a pawn by comparison.
... Nc6 ;Black gives White a forced mate
;opportunity. Much better is b3. Nc6
;leads to 34.Re8+ Kb7 35.Rd1 Nxa5 36.c5
;Kc7 37.Bb5 Nc6 38.Ba6 Na7 39.Rd6 b3
;40.Re7+ Kb8 41.Rd8+ Nc8 42.Rxc8# and
;mate.
34. h3 ... ;White misses the chance for a forced
;mate. Much better is Re8+, leading to
;34...Kb7 35.Rd1 Nxa5 36.c5 Kc7 37.Bb5
;Nc6 38.Ba6 Na7 39.Rd6 b3 40.Re7+ Kb8
;41.Rd8+ Nc8 42.Rxc8# and mate.
... Nxe5 ;Protects Black's pawn at g5 and blocks
;White's pawn at e4. Black wins a rook.
35. g4 Nc6 ;Attacks White's pawn at a5.
36. Bf3 Ka7
37. Rb1 Ka6 ;Blocks White's pawn at a5.
38. a3 ... ;Hangs the pawn at a3. Leads to 38...bxa3
;39.Kd2 Nd4 40.Bd1 Kxa5 41.Kc3 Ne6 42.Ra1
;Kb6 43.Rxa3 Kc5 44.e5 Nc7 45.Ra5+ Kb6.
;Better is Rd1, leading to 38...Ne5
;39.Kf2 Kb7 40.Rd5 Nxc4 41.e5 Kc6 42.e6
;Nd6 43.e7 Kd7 44.e8=Q+ Kxe8 45.Rxd6,
;which gains a knight and loses a pawn in
;comparison.
... Ka7 ;Leads to 39.axb4 Kb8 40.Kf2 Ne5 41.Rd1
;Kc7 42.Rd5 Nc6 43.e5 Nd8 44.Rc5+ Kb8
;45.Bd5 Nb7 46.Bxb7 Kxb7, which wins a
;bishop for a knight and a pawn. Better
;is bxa3, leading to 39.Kd2 Nd4 40.Bd1
;Kxa5 41.Kc3 Ne6 42.Ra1 Kb6 43.Rxa3 Kc5
;44.e5 Nc7 45.Ra5+ Kb6, which wins two
;pawns for a pawn.
39. axb4 ... ;Protects White's pawn at a5 and creates
;a passed pawn on b4. White wins a pawn.
... Nb8 ;Black moves into a forced mate. Much
;better is Nd4. Nb8 leads to 40.e5 Nd7
;41.e6 Ne5 42.e7 Nxf3+ 43.Kf2 Ne5 44.e8=Q
;Nd3+ 45.Kf3 Kb7 46.a6+ Kc7 47.a7 Kd6
;48.a8=Q Ne5+ 49.Ke4 Nd7 50.Rd1+ Kc7
;51.Qed8# and mate.
40. b5 ... ;White has a forced mate. Advances the
;passed pawn. Leads to 40...Nd7 41.b6+
;Kb8 42.a6 Kc8 43.b7+ Kd8 44.b8=Q+ Nxb8
;45.Rxb8+ Ke7 46.a7 Ke6 47.a8=Q Ke5
;48.Qd5+ Kf4 49.Ke2 Kg3 50.Qd6+ Kxh3
;51.Rh8# and checkmate.
... Nd7
41. b6+ ... ;White has a forced mate. Checks Black's
;king and pushes the passed pawn. Leads
;to 41...Kb8 42.a6 Kc8 43.a7 Kd8 44.a8=Q+
;Ke7 45.Qa3+ Ke6 46.e5 Kf7 47.b7 Nb8
;48.Qd6 Nc6 49.Qf6+ Kg8 50.b8=Q+ Nxb8
;51.Rxb8+ Kh7 52.Be4# and mate.
... Kb8 ;Moves it out of check.
42. b7 ... ;White has a mate in 10. Advances the
;passed pawn. Leads to 42...Nc5 43.e5
;Nd3+ 44.Kd2 Nxe5 45.a6 Nd7 46.Bc6 Kc7
;47.Bxd7 Kd8 48.b8=Q+ Ke7 49.Qe8+ Kd6
;50.Qe6+ Kc7 51.Rb7+ Kd8 52.Qe8# and
;checkmate.
... Ne5 ;Forks White's bishop and White's pawn at
;c4 and blocks White's pawn at e4.
43. Be2 ... ;White has a forced mate. Moves it to
;safety and protects White's pawn at c4.
;Leads to 43...Nd7 44.c5 Nxc5 45.a6 Nd7
;46.Rd1 Kc7 47.Rxd7+ Kc6 48.b8=Q Kxd7
;49.a7 Ke7 50.Qc7+ Ke6 51.Bc4+ Kf6 52.e5+
;Kg6 53.Bd3+ Kh6 54.Qh7# and mate.
... Nc6 ;Attacks White's pawn at a5.
44. a6 ... ;White has a mate in 8. Moves it to
;safety and pushes the passed pawn. Leads
;to 44...Ka7 45.e5 Kb8 46.Rb6 Na7 47.Rf6
;Kc7 48.Rf7+ Kb6 49.b8=Q+ Ka5 50.Rxa7 Ka4
;51.Bd1+ Ka5 52.Qb5# and mate.
... Ka7 ;Attacks White's pawn at a6 and blocks
;White's pawn at a6.
45. c5 ... ;White has a mate in 7. Protects White's
;pawn at a6 and advances the passed pawn.
;Leads to 45...Kb8 46.Rb6 Na7 47.c6 Nc8
;48.a7+ Nxa7 49.c7+ Kxc7 50.b8=Q+ Kd7
;51.Qxa7+ Ke8 52.Rb8# and checkmate.
... Kb8 ;Black gives White a forced mate
;opportunity. Much better is Nb8. Kb8
;leads to 46.Rb6 Na7 47.c6 Nc8 48.a7+
;Nxa7 49.c7+ Kxc7 50.b8=Q+ Kd7 51.Qxa7+
;Ke8 52.Rb8# and mate.
46. e5 ... ;White has a mate in 8. Advances the
;passed pawn. Leads to 46...Ka7 47.e6 Kb8
;48.e7 Nxe7 49.a7+ Kc7 50.b8=Q+ Kd7
;51.Rb7+ Ke6 52.Qd6+ Kf7 53.Rxe7+ Kg8
;54.a8=Q# and checkmate.
... Ka7 ;Blocks White's pawn at a6.
47. Bf3 ... ;White misses the forced mate. Much
;better is b8=Q+, leading to 47...Nxb8
;48.e6 Nc6 49.e7 Nxe7 50.Rb7+ Ka8 51.Rxe7
;Kb8 52.a7+ Ka8 53.Bf3# and mate.
... Nb8 ;Moves it to safety, blocks White's pawn
;at b7, and removes the promote threat at
;b7.
48. c6 ... ;White misses the chance for a forced
;mate. Much better is e6, leading to
;48...Nxa6 49.e7 Nb4 50.e8=Q Nc2+ 51.Kf2
;Ka6 52.Qa8# and checkmate.
... Kxa6 ; Black wins a pawn.
49. c7 ... ;White has a mate in 3. Threatens Black's
;knight and adds a promote threat at c7.
;Leads to 49...Nd7 50.c8=Q Nb8 51.Qxb8
;Ka5 52.Qa8# and checkmate.
... Nd7 ;Moves it to safety and threatens White's
;pawn at e5.
50. c8=Q ... ;White has a mate in 2. Threatens to mate
;(queen to a8) and attacks Black's
;knight. Leads to 50...Nb8 51.Qxb8 Ka5
;52.Qa8# and checkmate.
... Nb8 ;Blocks White's pawn at b7 and removes
;the promote threat at b7.
51. Qxb8 ... ;White is one move from mate. Threatens
;checkmate (queen to a8). Leads to
;51...Ka5 52.Qa7# and mate.
... Ka5 ;Forced.
52. Qa8# ... ;Checkmates Black's king.
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